merge #1046 Merge branch 'pr/1046' into release/1.7.8
merge #1046
Merge branch 'pr/1046' into release/1.7.8

youprofit/xe-core,janghwan/xe-core,xetown/xe-core,wkpark/xe-core,youprofit/xe-core,youprofit/xe-core,ibin79/xe-core,qkrcjfgus33/xe-core,janghwan/xe-core,sejin7940/xe-core,wkpark/xe-core,Vomvoru/xe-core,qkrcjfgus33/xe-core,hhgyu/xe-core,ibin79/xe-core,qkrcjfgus33/xe-core,ibin79/xe-core,ckstoa/xe,wkpark/xe-core,sejin7940/xe-core,janghwan/xe-core,xetown/xe-core,hhgyu/xe-core,xetown/xe-core,Vomvoru/xe-core,ckstoa/xe,hhgyu/xe-core,Vomvoru/xe-core,sejin7940/xe-core,ckstoa/xe